Logic Pro X update has brought new MIDI FX plugins, however there is not an easy embedded solution to freeze the output to MIDI region for further more fine tune adjustments.

MIDI FX Freeze allows you to capture the MIDI output and easily drag and drop rendered MIDI to track for later fine processing.

How to use: Insert the plugin just after chorded or arpeggiator, enable record button, locate MIDI region in logic and play. Drag and drop captured MIDI from plugin into logic pro arrange on any track.